21461868

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10459}}^1$

素因数の和:10491

約数の個数: 48

約数和(自身を含む): 58576000

約数和(自身を除く): 37114132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10459, 20918, 31377, 41836, 62754, 94131, 125508, 188262, 198721, 282393, 376524, 397442, 564786, 596163, 794884, 1129572, 1192326, 1788489, 2384652, 3576978, 5365467, 7153956, 10730934, 21461868]

約数ペア:

[(1, 21461868), (2, 10730934), (3, 7153956), (4, 5365467), (6, 3576978), (9, 2384652), (12, 1788489), (18, 1192326), (19, 1129572), (27, 794884), (36, 596163), (38, 564786), (54, 397442), (57, 376524), (76, 282393), (108, 198721), (114, 188262), (171, 125508), (228, 94131), (342, 62754), (513, 41836), (684, 31377), (1026, 20918), (2052, 10459)]